UM1550S-00
- Mfr.Part #
- UM1550S-00
- Manufacturer
- Union Semiconductor (HK) Limited
- Package / Case
- TO-236-3, SC-59, SOT-23-3
- Datasheet
- Download
- Description
- 5V Input Ultra Low IQ LDO
- Stock
- 10,000
- In Stock :
- 10,000
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- Manufacturer :
- Union Semiconductor (HK) Limited
- Product Category :
- Voltage Regulators - Linear
- Package :
- Tape and Reel (TR)
- Number of Regulators :
- 1
- RoHS :
- No
- Protection Features :
- Over Current, Over Temperature
- Product Status :
- Active
- Control Features :
- -
- Current - Output :
- 300mA
- Package / Case :
- TO-236-3, SC-59, SOT-23-3
- Supplier Device Package :
- SOT-23-3
- Output Type :
- Adjustable
- PSRR :
- 56dB ~ 42dB (100Hz ~ 1kHz)
- Current - Quiescent (Iq) :
- 3.5 µA
- Voltage - Output (Min/Fixed) :
- 1.2V
- Output Configuration :
- Positive
- Voltage Dropout (Max) :
- 0.3V @ 200mA
- Voltage - Input (Max) :
- 8V
- Voltage - Output (Max) :
- 5V
- Series :
- -
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -40°C ~ 125°C (TJ)
- Datasheets
- UM1550S-00

Voltage Regulators - Linear Union Semiconductor (HK) Limited UM1550S-00 Overview
The UM1550S-00, a product of Union Semiconductor (HK) Limited, is an exemplary addition to the field of Voltage Regulators - Linear, designed to cater to applications requiring ultra-low quiescent current (IQ) with a minimal input of 5V. This linear voltage regulator is particularly engineered for systems where energy efficiency is paramount, maintaining stability and reliability even under minimal power consumption scenarios. Its robust design and optimized performance make the Voltage Regulators - Linear Union Semiconductor (HK) Limited UM1550S-00 an ideal choice for designers looking to enhance system longevity and reduce operational costs across various electronics platforms.
UM1550S-00 Features
The UM1550S-00 stands out with its ultra-low IQ, which significantly minimizes the power loss during idle conditions, thereby extending battery life in portable applications. The device ensures a stable 5V output, crucial for consistent performance across a range of electronic devices. Its compact form factor and high reliability under varying environmental conditions make it highly suitable for space-constrained applications.
UM1550S-00 Applications
- Portable Devices: Ideal for battery-powered gadgets such as smartphones and tablets, where power efficiency translates to longer operational times without recharging.
- Wearable Technology: Used in smartwatches and fitness trackers to maintain power efficiency, thereby ensuring prolonged device usability and reliability throughout the day.
- Medical Monitoring Equipment: Applies in portable medical devices where consistent and reliable voltage supply is crucial for accurate monitoring and readings.
- Energy-Sensitive IoT Devices: Perfect for IoT applications that require long-term battery life with minimal power consumption, keeping devices online longer without frequent maintenance.
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